#include<iostream>
#include<string>

using namespace std;

struct Person
{
    string name;
};

int main()
{
    string str = "";
    void *p = nullptr;
    cout<<"bool:"<<sizeof(bool)<<endl;
    cout<<"char:"<<sizeof(char)<<endl;
    cout<<"short:"<<sizeof(short)<<endl;
    cout<<"unsigned short:"<<sizeof(unsigned short)<<endl;
    cout<<"int:"<<sizeof(int)<<endl;
    cout<<"long:"<<sizeof(long)<<endl;
    cout<<"unsigned long:"<<sizeof(unsigned long)<<endl;
    cout<<"long long int:"<<sizeof(long long int)<<endl;
    cout<<"float:"<<sizeof(float)<<endl;
    cout<<"double:"<<sizeof(double)<<endl;
    cout<<"*:"<<sizeof(p)<<endl;
    cout<<"str:"<<sizeof(string)<<endl;

    return 0;
}